In October 2017, Japan’s Selenological and Engineering Explorer probe discovered a massive underground cave on the Moon. The space, which is 100 meters (328 feet) wide and 50 kilometers (31 miles) long, is being touted as a potential location for a lunar station. In fact, some experts are asserting that the best way to live on the Moon is in caves just like the one recently discovered. Living underground makes perfect sense because we gain a lot of protection from radiation and micro-meteorites. The moon is the logical starting place for us as we move out into the solar system. Check out this video below.
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Source: [H]ardOCP – New Discovery Raises Hope for Human Colonization of the Moon